! Started logfile: 1424+240_X.log on Sun Apr 19 19:04:53 2009
observe 1424+240_X.edt2
! Reading UV FITS file: 1424+240_X.edt2
! AN table 1: 95 integrations on 190 of 190 possible baselines.
! AN table 2: 78 integrations on 190 of 190 possible baselines.
! AN table 3: 79 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.095447 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1424+240
! 
! There are 4 IFs, and a total of 4 channels:
! 
!  IF  Channel    Frequency  Freq offset  Number of   Overall IF
!       origin    at origin  per channel   channels    bandwidth
!  ------------------------------------------------------------- (Hz)
!  01        1  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1495 lines of history.
! 
! Reading 18280 visibilities.
![@gonzo6-0.1 1424+240_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 6.0
float win_mult
win_mult = 1.8
float solint
solint = 3.6/6.0
logical doflt
doflt = true
logical doamp
float new_peak
float flux_cutoff
mapsize field_size,field_cell
! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize.
select
! Selecting polarization: RR,  channels: 1..4
! Reading IF 1 channels: 1..1
! Reading IF 2 channels: 2..2
! Reading IF 3 channels: 3..3
! Reading IF 4 channels: 4..4
startmod
! Applying default point source starting model.
! Performing phase self-cal
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 1 Jy
! 
! Correcting IF 1.
!  A total of 1165 telescope corrections were flagged in sub-array 1.
!  A total of 1354 telescope corrections were flagged in sub-array 2.
!  A total of 1439 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1207 telescope corrections were flagged in sub-array 1.
!  A total of 1344 telescope corrections were flagged in sub-array 2.
!  A total of 1439 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1162 telescope corrections were flagged in sub-array 1.
!  A total of 1407 telescope corrections were flagged in sub-array 2.
!  A total of 1436 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1167 telescope corrections were flagged in sub-array 1.
!  A total of 1374 telescope corrections were flagged in sub-array 2.
!  A total of 1430 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.894757Jy  sigma=18.996265
! Fit after  self-cal, rms=0.893802Jy  sigma=19.055029
! clrmod: Cleared the established, tentative and continuum models.
! Redundant starting model cleared.
uvweight 2,-1
! Uniform weighting binwidth: 2 (pixels).
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.4977 mas, bmaj=1.176 mas, bpa=-6.5 degrees
! Estimated noise=0.657878 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (0, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0792564 Jy
! Total flux subtracted in 50 components = 0.0792564 Jy
! Clean residual min=-0.005903 max=0.022133 Jy/beam
! Clean residual mean=-0.000003 rms=0.001798 Jy/beam
! Combined flux in latest and established models = 0.0792564 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.0792564 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086007Jy  sigma=1.546428
! Fit after  self-cal, rms=0.086008Jy  sigma=1.546416
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.019031 Jy
! Total flux subtracted in 50 components = 0.019031 Jy
! Clean residual min=-0.004516 max=0.008480 Jy/beam
! Clean residual mean=0.000000 rms=0.001376 Jy/beam
! Combined flux in latest and established models = 0.0982874 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 12 components and 0.0982874 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081067Jy  sigma=1.383796
! Fit after  self-cal, rms=0.081055Jy  sigma=1.383547
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00935802 Jy
! Total flux subtracted in 50 components = 0.00935802 Jy
! Clean residual min=-0.004280 max=0.007696 Jy/beam
! Clean residual mean=0.000001 rms=0.001251 Jy/beam
! Combined flux in latest and established models = 0.107645 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 17 components and 0.107645 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079662Jy  sigma=1.332798
! Fit after  self-cal, rms=0.079649Jy  sigma=1.332606
! Inverting map 
! Added new window around map position (0.8, -0.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00790972 Jy
! Total flux subtracted in 50 components = 0.00790972 Jy
! Clean residual min=-0.004114 max=0.004973 Jy/beam
! Clean residual mean=0.000001 rms=0.001162 Jy/beam
! Combined flux in latest and established models = 0.115555 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 24 components and 0.115555 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078664Jy  sigma=1.306396
! Fit after  self-cal, rms=0.078626Jy  sigma=1.305436
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Uniform Weighting CLEAN ***"
! *** Finished Uniform Weighting CLEAN *** 
print "****************************************"
! **************************************** 
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
win_mult = win_mult * 1.6
clean_niter = clean_niter * 2
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6351 mas, bmaj=1.405 mas, bpa=-7.258 degrees
! Estimated noise=0.326603 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0108852 Jy
! Component: 100  -  total flux cleaned = 0.0174262 Jy
! Total flux subtracted in 100 components = 0.0174262 Jy
! Clean residual min=-0.002801 max=0.004022 Jy/beam
! Clean residual mean=-0.000003 rms=0.000878 Jy/beam
! Combined flux in latest and established models = 0.132981 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 40 model components to the UV plane model.
! The established model now contains 55 components and 0.132981 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077403Jy  sigma=1.262029
! Fit after  self-cal, rms=0.077356Jy  sigma=1.260371
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 39 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        0.96     GC        0.90     HH        1.00*    
!   HN        0.99     KK        1.00*    KP        0.82     LA        0.99     
!   MA        1.00*    MC        1.01     MK        1.01     NL        0.92     
!   NY        1.00*    ON        1.00*    OV        1.03     PT        1.00     
!   SC        1.05     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 30 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.00*    MC        0.81     MK        1.00*    NL        1.00*    
!   NY        0.94     ON        0.91     OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.93     WF        1.00*    WZ        0.93     
! 
!  A total of 141 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 36 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        0.96     GC        0.91     HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.86     LA        0.91     
!   MA        1.00*    MC        1.06     MK        0.99     NL        0.92     
!   NY        1.00*    ON        1.00*    OV        0.97     PT        0.96     
!   SC        1.03     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 33 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.00*    MC        0.87     MK        1.00*    NL        1.00*    
!   NY        0.99     ON        0.91     OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.88     WF        1.00*    WZ        0.88     
! 
!  A total of 141 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 45 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        0.96     GC        0.96     HH        1.00*    
!   HN        0.94     KK        1.00*    KP        0.90     LA        0.93     
!   MA        1.00*    MC        1.20     MK        0.99     NL        0.92     
!   NY        1.00*    ON        1.00*    OV        1.01     PT        0.90     
!   SC        1.04     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 66 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.00*    MC        0.96     MK        1.00*    NL        1.00*    
!   NY        0.86     ON        1.04     OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        0.82     WF        1.00*    WZ        0.75     
! 
!  A total of 144 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 36 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.93     GC        0.94     HH        1.00*    
!   HN        1.07     KK        1.00*    KP        0.87     LA        0.97     
!   MA        1.00*    MC        0.88     MK        1.03     NL        0.83     
!   NY        1.00*    ON        1.00*    OV        1.04     PT        1.00     
!   SC        1.05     TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.00*    LA        1.00*    
!   MA        1.00*    MC        0.93     MK        1.00*    NL        1.00*    
!   NY        0.85     ON        1.10     OV        1.00*    PT        1.00*    
!   SC        1.00*    TS        1.06     WF        1.00*    WZ        0.82     
! 
!  A total of 150 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.077356Jy  sigma=1.260371
! Fit after  self-cal, rms=0.073256Jy  sigma=1.237796
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6514 mas, bmaj=1.466 mas, bpa=-7.247 degrees
! Estimated noise=0.319421 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00127398 Jy
! Component: 100  -  total flux cleaned = -0.000591037 Jy
! Total flux subtracted in 100 components = -0.000591037 Jy
! Clean residual min=-0.002037 max=0.002684 Jy/beam
! Clean residual mean=0.000002 rms=0.000574 Jy/beam
! Combined flux in latest and established models = 0.13239 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 62 components and 0.13239 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072970Jy  sigma=1.238647
! Fit after  self-cal, rms=0.072972Jy  sigma=1.238352
! Inverting map 
dynam = dynam - 1.0
doamp = true
solint = solint * (6.0/3.6)
flux_cutoff = imstat(rms) * dynam
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (3.3, -2.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00257266 Jy
! Component: 100  -  total flux cleaned = 0.00334574 Jy
! Total flux subtracted in 100 components = 0.00334574 Jy
! Clean residual min=-0.002039 max=0.002083 Jy/beam
! Clean residual mean=0.000002 rms=0.000518 Jy/beam
! Combined flux in latest and established models = 0.135736 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 71 components and 0.135736 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072855Jy  sigma=1.237454
! Fit after  self-cal, rms=0.075584Jy  sigma=1.177265
! Inverting map and beam 
! Estimated beam: bmin=0.656 mas, bmaj=1.465 mas, bpa=-6.972 degrees
! Estimated noise=0.317082 mJy/beam.
doamp = false
solint = solint / (6.0/3.6)
flux_cutoff = imstat(rms) * dynam
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000499604 Jy
! Component: 100  -  total flux cleaned = -0.000182486 Jy
! Total flux subtracted in 100 components = -0.000182486 Jy
! Clean residual min=-0.001710 max=0.001739 Jy/beam
! Clean residual mean=-0.000002 rms=0.000438 Jy/beam
! Combined flux in latest and established models = 0.135554 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 80 components and 0.135554 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075504Jy  sigma=1.177862
! Fit after  self-cal, rms=0.075570Jy  sigma=1.177632
! Inverting map 
! Added new window around map position (9.7, 18.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00152202 Jy
! Component: 100  -  total flux cleaned = 0.00204426 Jy
! Total flux subtracted in 100 components = 0.00204426 Jy
! Clean residual min=-0.001633 max=0.001561 Jy/beam
! Clean residual mean=-0.000002 rms=0.000411 Jy/beam
! Combined flux in latest and established models = 0.137598 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 91 components and 0.137598 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075528Jy  sigma=1.177337
! Fit after  self-cal, rms=0.075553Jy  sigma=1.177263
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1424+240_X
! Writing UV FITS file: 1424+240_X.uvf
! Writing 91 model components to file: 1424+240_X.mod
! wwins: Wrote 4 windows to 1424+240_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.656 x 1.465 at -6.972 degrees (North through East)
! Clean map  min=-0.0015732  max=0.10314 Jy/beam
! Writing clean map to FITS file: 1424+240_X.fits
! Writing difmap environment to: 1424+240_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1424+240_X]
device 1424+240_Xuv.ps/vps,1,2
! Attempting to open device: '1424+240_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1424+240_Xim.ps/vps
! Attempting to open device: '1424+240_Xim.ps/vps'
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
loglevs -1,2048,2
! The new contour levels are:
!  -1 1 2 4 8 16 32 64 128 256 512 1024 2048
cmul = imstat(rms)*3
! Inverting map and beam 
! Estimated beam: bmin=0.656 mas, bmaj=1.465 mas, bpa=-6.972 degrees
! Estimated noise=0.317082 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.656 x 1.465 at -6.972 degrees (North through East)
! Clean map  min=-0.0015732  max=0.10314 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1424+240_X.log closed on Sun Apr 19 19:05:03 2009